CN205578654U - Drive assembly and air compressor machine - Google Patents

Abstract

The utility model discloses a drive assembly and air compressor machine, its technical scheme main points are: include the transmission shaft, the crankcase that link to each other with the driving source, crankcase one side is provided with the bent axle lid, inside and the bent axle lid of crankcase is worn to locate by the transmission shaft, be equipped with two at least and the eccentric wheel continuous with the transmission shaft in the crankcase, every eccentric wheel center is eccentric line with the line in transmission shaft axle center, and mutual parallel arrangement need not to assemble the stabilizer between the eccentric line on two adjacent eccentric wheels in this drive assembly, and not only manufacturing cost is reduced by a wide margin, and assembling process is very simple moreover, increases substantially assembly efficiency.

Description

A kind of transmission component and air compressor machine

Technical field

This utility model relates to compressed air unit technical field, particularly to a kind of transmission component and air compressor machine.

Background technology

Traditional air compressor machine such as notification number is a kind of four cylinder air compressor machines of Chinese utility model of CN204961200U, and it includes There are motor body, motor body to be provided with motor shaft, motor shaft is arranged with eccentric, stabilizer the most successively, and The motor shaft outer sheath being provided with eccentric and stabilizer is provided with crankcase, and eccentric is arranged with link assembly, connection rod set Part is provided with piston component away from the end of eccentric, and piston component coordinates with the cylinder being positioned on crankcase, remote at crankcase Being provided with crankcase cover from the end of motor body, motor shaft through crankcase cover and is connected with radiator fan；If said structure Air compressor machine in use, needs to meet the demand of multi-cylinder, and on eccentric, sheathed multiple link assemblies can realize.

In actual use, motor body drives motor shaft to rotate to the air compressor machine of the above-mentioned type, motor shaft band Movable eccentric wheel, stabilizer, radiator fan rotate together, eccentric energy drivening rod component movement；But the air compressor machine at such In, only by installing multiple link assembly in same eccentric to meet the demand of multi-cylinder compression, it is therefore desirable to extra Stabilizer is set and carrys out the eccentric force that counterbalanced eccentric is brought, and the stabilizer additionally arranged unambiguously adds and is manufactured into This.

Utility model content

The deficiency existed for prior art, first purpose of the present utility model is to provide a kind of low cost of manufacture Transmission component.

Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of transmission component, bag Including the power transmission shaft for being connected, crankcase with driving source, described crankcase side is provided with crankshaft cap, and described power transmission shaft is arranged in Crankcase inside and crankshaft cap, be provided with at least two and the eccentric being connected with power transmission shaft, each bias in described crankcase Wheel center is line of eccentricity with the line in power transmission shaft axle center, arranged in parallel between the line of eccentricity on adjacent two eccentrics.

By technique scheme, eliminate the stabilizer in tradition air compressor machine, during assembling, the most only need partially The eccentric that heart line is parallel to each other is installed on power transmission shaft, and without assembling stabilizer, not only manufacturing cost is significantly dropped Low, and process of assembling is very simple, increases substantially efficiency of assembling；

In use, due to arranged in parallel, when power transmission shaft is subject between the line of eccentricity in adjacent two eccentrics When driving source drives and rotates, the centrifugal force being connected between two eccentrics can be cancelled out each other, and plays conventional balanced wheel Effect.Preferably, the material of described crankshaft cap is aluminum matter.

By technique scheme, due in actual use, piston move back and forth can to whole crankcase outside Tank wall produces certain pulling force effect, and crankcase cover can be directly connected with crankcase end, with tradition by several bolts The crankshaft cap of plastic material is compared, and aluminum material structural strength is high, on the one hand, can stably support whole power transmission shaft, the opposing party Face, can effectively promote the support strength of whole crankcase external box wall；Aluminium material matter quality is relatively light, can reduce whole transmission component Weight.

Preferably, described crankshaft cap is provided with bearing support block, and described bearing support block is provided with rolling bearing, described biography Moving axis is through rolling bearing endoporus and is supported on crankshaft cap.

By technique scheme, power transmission shaft, in transmission process, can produce certain centrifugal force, and power transmission shaft and bent axle It is arranged with rolling bearing between lid, can guarantee that the power transmission shaft moment keeps concentric, it is to avoid occur rocking, promote the resistance to of crankshaft cap With degree and service life.

Preferably, described bearing support block be shaped as annular, outside the outer ring surface of described bearing support block is with crankshaft cap Connect between sidewall and have some reinforcements.

By technique scheme, it is strong that reinforcement can effectively promote the connection between bearing support block and crankshaft cap lateral wall Degree, promotes the bearing support block stability of strutting system for rolling bearing, and the circumference reducing power transmission shaft is rocked.

Preferably, each eccentric is all arranged with link member, described link member away from the end of eccentric be provided with for The dead ring being connected with piston component, the ring heart direction of described dead ring is consistent with the axis direction of power transmission shaft, described dead ring Being provided with the first brace rod, described first brace rod is connected on the outer ring surface of dead ring and the outer bar wall of link member.

By technique scheme, dead ring can be connected with piston component, and in a whole set of transmission component motor process, Dead ring can rotate in a circumferential direction around the piston pin in piston component, and the pole face of the outer ring surface of dead ring and link member it Between can produce and pull power the most frequently, and the first brace rod be connected to the outer ring surface of dead ring and link member outer bar wall it Between, can effectively promote the anti-pull power of piston ring, reduce the stress of junction point between dead ring and link member and concentrate.

Preferably, the parallel sidewall of the end face with dead ring of described link member is provided with two the second brace rods, every Second brace rod is distributed each along the outward flange of link member, there is preset clearance between two the second brace rods.

By technique scheme, two the second brace rods are distributed respectively along the outward flange of link member, no matter link member Bending towards which direction, the second brace rod all can play the effect strengthening the outer bar wall of link member；It addition, in actual act mistake Cheng Zhong, due to piston component and cylinder cap, link member can produce certain heat, exists between reserving between two the second brace rods Gap, can increase the contact area between link member and air, promotes the radiating efficiency of link member.

Preferably, being provided with clamping bench in described preset clearance, described clamping bench is positioned at the preset clearance end near dead ring Portion.

By technique scheme, clamping bench is positioned at the preset clearance end near dead ring, can effectively strengthen dead ring With the bonding strength on link member junction point.

Preferably, the height of projection of described clamping bench is higher than the height of projection of the second brace rod.

By technique scheme, owing to the piston pin in piston component can pass the ring heart of dead ring, and in reality During use, in order to be able to reduce the swing of piston pin axial direction, the height of projection of clamping bench is convex more than the second brace rod Play height, can effectively support whole gudgeon pin shaft, promote the operation stability of piston component.

Preferably, described clamping bench is provided with arcwall face away from the end of dead ring.

By technique scheme, when link member moves up and down, the air-flow within crankcase can enter in preset clearance Row flowing, and clamping bench is provided with arcwall face away from the end of dead ring, this curved end can effectively reduce and be positioned at reserved between The impulsive force that gap air-flow produces, reduces the air drag that link member moves back and forth.

Second purpose of the present utility model is to provide a kind of air compressor machine easy to assembly.

Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of air compressor machine, including Above-mentioned transmission component.

By technique scheme, the convenience that transmission component is installed can directly promote the installation effectiveness of whole air compressor machine, And transmission component in-discard stabilizer, the cost of manufacture of whole air compressor machine can be greatly lowered.

Accompanying drawing explanation

Fig. 1 is the mounting structure schematic diagram of embodiment one；

Fig. 2 is the part sectioned view of embodiment one；

Fig. 3 is the embodiment one structural representation when not installing crankshaft cap；

Fig. 4 is that embodiment one faces structural representation when not installing crankshaft cap；

Fig. 5 is the structural representation of crankshaft cap in embodiment one.

Reference: 1, drive source；2, power transmission shaft；3, crankcase；4, crankshaft cap；5, eccentric；6, line of eccentricity；7, bearing Support seat；8, rolling bearing；9, reinforcement；10, link member；11, dead ring；12, the first brace rod；13, the second brace rod； 14, preset clearance；15, clamping bench；16, arcwall face.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

Embodiment one, shown in Figure 2, a kind of transmission component, including power transmission shaft 2, crankcase 3, power transmission shaft 2 one end with drive Dynamic source 1 is connected, and this driving source 1 can be selected for electric rotating machine, and crankcase 3 side is provided with the crankshaft cap 4 being made up of aluminum material, bent Being attached by bolt between shaft-cup 4 and crankcase 3, power transmission shaft 2 is arranged in crankcase 3 and crankshaft cap 4；

Seeing shown in Fig. 3 and Fig. 4, be provided with at least two eccentric 5 in crankcase 3, wherein the quantity of eccentric 5 is Being well the even numbers such as 2,4,6,8, eccentric 5 is installed on power transmission shaft 2, the line in each eccentric 5 center and power transmission shaft 2 axle center For line of eccentricity 6, arranged in parallel between the line of eccentricity 6 on adjacent two eccentrics 5.

Shown in Figure 2, sidewall at the close crankcase 3 of crankshaft cap 4 is provided with the bearing support block 7 of annular, axle Holding support seat 7 and be provided with rolling bearing 8, power transmission shaft 2 is through rolling bearing 8 endoporus and is supported on crankshaft cap 4, power transmission shaft 2 with The endoporus of rolling bearing 8 is interference fit.

See shown in Fig. 2 and Fig. 5, be connected between the outer ring surface and crankshaft cap 4 lateral wall of bearing support block 7 have some Reinforcement 9, some reinforcements 9 are evenly distributed along the outer ring surface of bearing support block 7.

See shown in Fig. 1, Fig. 3 and Fig. 4, each eccentric 5 is all arranged with link member 10, this link member 10 transversal Face is square, and this link member 10 is provided with the dead ring 11 for being connected, this dead ring with piston component away from the end of eccentric 5 The ring heart direction of 11 is consistent with the axis direction of power transmission shaft 2, and this dead ring 11 is provided with the first brace rod 12, this first brace rod On the outer bar wall of 12 outer ring surfaces being connected to dead ring 11 and link member 10, this first brace rod 12 is provided with two, and two Individual first brace rod 12 is respectively symmetrically in two opposing sidewalls being positioned at link member 10, the end with dead ring 11 of this link member 10 The parallel sidewall in face is provided with two the second brace rods 13, wherein, and the sidewall that the end face with dead ring 11 of link member 10 is parallel, I.e. link member 10 is not connected with two opposing sidewalls of the first brace rod 12, outside every second brace rod 13 is each along link member 10 , between two the second brace rods 13, there is preset clearance 14 in marginal distribution.

Shown in Figure 4, it is provided with clamping bench 15 in this preset clearance 14, this clamping bench 15 is positioned at preset clearance 14 near tight Gu the end of ring 11, the height of projection of this clamping bench 15 is higher than the height of projection of the second brace rod 13, and this clamping bench 15 is away from tightly Gu the end of ring 11 is provided with arcwall face 16.

Embodiment two, a kind of air compressor machine, including such as the transmission component of embodiment one.

The above is only exemplary embodiment of the present utility model, not for limiting protection model of the present utility model Enclosing, protection domain of the present utility model is determined by appended claim.

Claims (10)

1. a transmission component, including the power transmission shaft (2) for being connected with driving source (1), crankcase (3), described crankcase (3) Side is provided with crankshaft cap (4), and described power transmission shaft (2) is arranged in crankcase (3) inside and crankshaft cap (4), it is characterized in that: institute At least two and the eccentric (5) being connected with power transmission shaft (2), each eccentric (5) center and transmission it is provided with in stating crankcase (3) The line in axle (2) axle center is line of eccentricity (6), arranged in parallel between the line of eccentricity (6) on adjacent two eccentrics (5).

A kind of transmission component the most according to claim 1, is characterized in that: the material of described crankshaft cap (4) is aluminum matter.

A kind of transmission component the most according to claim 1 and 2, is characterized in that: described crankshaft cap (4) is provided with bearings Seat (7), described bearing support block (7) is provided with rolling bearing (8), and described power transmission shaft (2) passes rolling bearing (8) endoporus and quilt It is supported in crankshaft cap (4).

A kind of transmission component the most according to claim 3, is characterized in that: described bearing support block (7) be shaped as annulus Shape, is connected between the outer ring surface of described bearing support block (7) with crankshaft cap (4) lateral wall and has some reinforcements (9).

A kind of transmission component the most according to claim 1, is characterized in that: each eccentric is all arranged with link member on (5) (10), described link member (10) is provided with the dead ring (11) for being connected with piston component away from the end of eccentric (5), described The ring heart direction of dead ring (11) is consistent with the axis direction of power transmission shaft (2), and described dead ring (11) is provided with the first brace rod (12), described first brace rod (12) is connected on the outer ring surface of dead ring (11) and the outer bar wall of link member (10).

A kind of transmission component the most according to claim 5, is characterized in that: described link member (10) with dead ring (11) The parallel sidewall of end face is provided with two the second brace rods (13), outside every second brace rod (13) is each along link member (10) , between two the second brace rods (13), there is preset clearance (14) in marginal distribution.

A kind of transmission component the most according to claim 6, is characterized in that: described preset clearance is provided with clamping bench in (14) (15), described clamping bench (15) is positioned at the preset clearance (14) end near dead ring (11).

A kind of transmission component the most according to claim 7, is characterized in that: the height of projection of described clamping bench (15) is higher than the The height of projection of two brace rods (13).

A kind of transmission component the most according to claim 7, is characterized in that: described clamping bench (15) is away from dead ring (11) End is provided with arcwall face (16).

10. an air compressor machine, is characterized in that: include the transmission component as described in 1 ~ 9 any one claim.